<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>Create a draggable Marker</title>
    <meta
      name="viewport"
      content="initial-scale=1,maximum-scale=1,user-scalable=no"
    />
    <script src="../../lib/mapbox-gl.js"></script>
    <link href="../../lib/mapbox-gl.css" rel="stylesheet" />
    <script src="../../lib/axios.min.js"></script>
    <style>
      body {
        margin: 0;
        padding: 0;
      }
      #map {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 100%;
      }
      .coordinates {
        background: rgba(0, 0, 0, 0.5);
        color: #fff;
        position: absolute;
        bottom: 40px;
        left: 10px;
        padding: 5px 10px;
        margin: 0;
        font-size: 11px;
        line-height: 18px;
        border-radius: 3px;
        display: none;
      }
    </style>
  </head>
  <body>
    <div id="map"></div>
    <pre id="coordinates" class="coordinates"></pre>
    <script>
      let baseDataUrl = `http://${localStorage.getItem(
        "host"
      )}/mapbox-gl-js-offline-examples`;
      axios
        .get(
          baseDataUrl +
            `/resources/styles/${localStorage.getItem(
              "mbtilesStylesName"
            )}.json`
        )
        .then((res) => {
          let data = res.data;
          initMap(data);
        })
        .catch((err) => {
          console.error(err);
        });

      function initMap(style) {
        let map = new mapboxgl.Map({
          container: "map",
          center: [116.392, 39.913],
          zoom: 14,
          bearing: -2.5,
          style: style,
        });

        var marker = new mapboxgl.Marker({
          draggable: true,
        })
          .setLngLat([116.392, 39.913])
          .addTo(map);

        function onDragEnd() {
          var lngLat = marker.getLngLat();
          coordinates.style.display = "block";
          coordinates.innerHTML =
            "Longitude: " + lngLat.lng + "<br />Latitude: " + lngLat.lat;
        }

        marker.on("dragend", onDragEnd);
      }
    </script>
  </body>
</html>
